import (
"fmt"
+ "io"
+ "path/filepath"
"os"
"github.com/Sirupsen/logrus"
- "github.com/codegangsta/cli"
+ "github.com/urfave/cli"
+ common "github.com/iotbzh/xds-common/golib"
+ uuid "github.com/satori/go.uuid"
)
// Config parameters (json format) of /config command
type Config struct {
- Version string `json:"version"`
- APIVersion string `json:"apiVersion"`
- VersionGitTag string `json:"gitTag"`
-
- // Private / un-exported fields
- HTTPPort string `json:"-"`
- FileConf *FileConfig
- log *logrus.Logger
+ AgentUID string
+ Version string
+ APIVersion string
+ VersionGitTag string
+ Options Options
+ FileConf FileConfig
+ Log *logrus.Logger
+ LogVerboseOut io.Writer
+}
+
+// Options set at the command line
+type Options struct {
+ ConfigFile string
+ LogLevel string
+ LogFile string
}
// Config default values
const (
DefaultAPIVersion = "1"
- DefaultPort = "8010"
DefaultLogLevel = "error"
)
// Init loads the configuration on start-up
-func Init(ctx *cli.Context, log *logrus.Logger) (Config, error) {
+func Init(ctx *cli.Context, log *logrus.Logger) (*Config, error) {
var err error
+ defaultWebAppDir := "${EXEPATH}/www"
+ defaultSTHomeDir := "${HOME}/.xds/agent/syncthing-config"
+
+ // TODO: allocate uuid only the first time and save+reuse it later
+ uuid := uuid.NewV1().String()
+
// Define default configuration
c := Config{
+ AgentUID: uuid,
Version: ctx.App.Metadata["version"].(string),
APIVersion: DefaultAPIVersion,
VersionGitTag: ctx.App.Metadata["git-tag"].(string),
- HTTPPort: DefaultPort,
- log: log,
+ Options: Options{
+ ConfigFile: ctx.GlobalString("config"),
+ LogLevel: ctx.GlobalString("log"),
+ LogFile: ctx.GlobalString("logfile"),
+ },
+
+ FileConf: FileConfig{
+ HTTPPort: "8800",
+ WebAppDir: defaultWebAppDir,
+ LogsDir: "/tmp/logs",
+ ServersConf: []XDSServerConf{
+ XDSServerConf{
+ URL: "http://localhost:8000",
+ ConnRetry: 10,
+ },
+ },
+ SThgConf: &SyncThingConf{
+ Home: defaultSTHomeDir,
+ },
+ },
+ Log: log,
}
+ c.Log.Infoln("Agent UUID: ", uuid)
+
// config file settings overwrite default config
- c.FileConf, err = updateConfigFromFile(&c, ctx.GlobalString("config"))
+ err = readGlobalConfig(&c, c.Options.ConfigFile)
if err != nil {
- return Config{}, err
+ return nil, err
}
- return c, nil
-}
-
-// UpdateAll Update the current configuration
-func (c *Config) UpdateAll(newCfg Config) error {
- return fmt.Errorf("Not Supported")
-}
+ // Handle where Logs are redirected:
+ // default 'stdout' (logfile option default value)
+ // else use file (or filepath) set by --logfile option
+ // that may be overwritten by LogsDir field of config file
+ logF := c.Options.LogFile
+ logD := c.FileConf.LogsDir
+ if logF != "stdout" {
+ if logD != "" {
+ lf := filepath.Base(logF)
+ if lf == "" || lf == "." {
+ lf = "xds-agent.log"
+ }
+ logF = filepath.Join(logD, lf)
+ } else {
+ logD = filepath.Dir(logF)
+ }
+ }
+ if logD == "" || logD == "." {
+ logD = "/tmp/xds/logs"
+ }
+ c.Options.LogFile = logF
+ c.FileConf.LogsDir = logD
-func dirExists(path string) bool {
- _, err := os.Stat(path)
- if os.IsNotExist(err) {
- return false
+ if c.FileConf.LogsDir != "" && !common.Exists(c.FileConf.LogsDir) {
+ if err := os.MkdirAll(c.FileConf.LogsDir, 0770); err != nil {
+ return nil, fmt.Errorf("Cannot create logs dir: %v", err)
+ }
}
- return true
+
+ c.Log.Infoln("Logs file: ", c.Options.LogFile)
+ c.Log.Infoln("Logs directory: ", c.FileConf.LogsDir)
+
+ return &c, nil
}